30449080 has 16 divisors (see below), whose sum is σ = 68510520. Its totient is φ = 12179616.

The previous prime is 30449071. The next prime is 30449119. The reversal of 30449080 is 8094403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380574 + ... + 380653.

Almost surely, 2^30449080 is an apocalyptic number.

It is an amenable number.

30449080 is an abundant number, since it is smaller than the sum of its proper divisors (38061440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30449080 is a wasteful number, since it uses less digits than its factorization.

30449080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761238 (or 761234 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 30449080 is about 5518.0685026556. The cubic root of 30449080 is about 312.2660179180.

The spelling of 30449080 in words is "thirty million, four hundred forty-nine thousand, eighty".